January weather forecast
Twelve Hills, MD

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Weather in January

January, the same as December, is a wintry winter month in Twelve Hills, Maryland, with an average temperature ranging between min 26.1°F (-3.3°C) and max 38.1°F (3.4°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 38.1°F (3.4°C) and a low of 26.1°F (-3.3°C).

Humidity

In Twelve Hills, the average relative humidity in January is 73%.

Rainfall

The month with the least rainfall is January, when the rain falls for 8.4 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In January, it is snowing for 4.4 days. Throughout January, 2.52" (64mm) of snow is accumulated. Throughout the year, there are 15.9 snowfall days, and 8.7" (221mm) of snow is accumulated.

Daylight

In Twelve Hills, the average length of the day in January is 9h and 47min.
On the first day of the month, sunrise is at 7:27 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:26 pm EST.

Sunshine

January and February, with an average of 5.1h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during January translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What part of the year is the coldest?

January, marked by an average high-temperature of 38.1°F (3.4°C) and a low-temperature of 26.1°F (-3.3°C), is the coldest month.

How cold is it in January?

An average high-temperature, in January, in Twelve Hills, is 38.1°F (3.4°C) and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in January?

In Twelve Hills, the average relative humidity in January is 73%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.85" (47mm) of precipitation.

How many days does it rain in January?

In Twelve Hills, in January, it is raining for 8.4 days, with typically 1.85" (47mm) of accumulated precipitation.

How many days does it snow in January?

In January, it is snowing for 4.4 days. Throughout January, 2.52" (64mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 47min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:27 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:26 pm EST.

What is the month with the least sunshine?

The months with the least sunshine are January and February, with an average of 5.1h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 5.1h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January?

In Twelve Hills, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Twelve Hills, MD

Average temperature in January - Twelve Hills, MD
  • Average high temperature in January: 38.1°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in January: 26.1°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in January
Twelve Hills, MD

Average pressure in January - Twelve Hills, MD
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Twelve Hills, MD

Average wind speed in January - Twelve Hills, MD
  • Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Twelve Hills, MD

Average humidity in January - Twelve Hills, MD
  • Average humidity in January: 73%

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in January
Twelve Hills, MD

Average rainfall in January - Twelve Hills, MD
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in January
Twelve Hills, MD

Average rainfall days in January - Twelve Hills, MD
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in January
Twelve Hills, MD

Average snowfall in January - Twelve Hills, MD
  • Average snowfall in January: 2.52"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Twelve Hills, MD

Average snowfall days in January - Twelve Hills, MD
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Twelve Hills, MD

Average daylight in January / Average sunshine in January - Twelve Hills, MD
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in January
Twelve Hills, MD

Average sunshine days in January - Twelve Hills, MD
  • Average sunshine days in January: 18.2 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

Average UV index in January
Twelve Hills, MD

Average UV index in January - Twelve Hills, MD
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Twelve Hills, MD

Average cloud cover in January - Twelve Hills, MD
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in January
Twelve Hills, MD

Average visibility in January - Twelve Hills, MD
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Twelve Hills, Maryland, USA

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